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https://www.readbyqxmd.com/read/28727762/sexual-diversity-in-the-united-states-results-from-a-nationally-representative-probability-sample-of-adult-women-and-men
#1
Debby Herbenick, Jessamyn Bowling, Tsung-Chieh Jane Fu, Brian Dodge, Lucia Guerra-Reyes, Stephanie Sanders
In 2015, we conducted a cross-sectional, Internet-based, U.S. nationally representative probability survey of 2,021 adults (975 men, 1,046 women) focused on a broad range of sexual behaviors. Individuals invited to participate were from the GfK KnowledgePanel®. The survey was titled the 2015 Sexual Exploration in America Study and survey completion took about 12 to 15 minutes. The survey was confidential and the researchers never had access to respondents' identifiers. Respondents reported on demographic items, lifetime and recent sexual behaviors, and the appeal of 50+ sexual behaviors...
2017: PloS One
https://www.readbyqxmd.com/read/28726003/chitooligosaccharides-modified-reduction-sensitive-liposomes-enhanced-cytoplasmic-drug-delivery-and-osteosarcomas-tumor-inhibition-in-animal-models
#2
Xuelei Yin, Yingying Chi, Chuanyou Guo, Shuaishuai Feng, Jinhu Liu, Kaoxiang Sun, Zimei Wu
PURPOSE: To investigate the potential of a reduction-sensitive and fusogenic liposomes, enabled by surface-coating with chotooligosaccharides (COS) via a disulfide linker, for tumor-targeted cytoplasmic drug delivery. METHODS: COS (MW2000-5000) were chemically tethered onto the liposomes through a disulfide linker (-SS-) to cholesterol (Chol). Doxorubicin (DOX) was actively loaded in the liposomes. Their reduction-sensitivities, cellular uptake, cytotoxicity, pharmacokinetics and antitumor efficacy were investigated...
July 19, 2017: Pharmaceutical Research
https://www.readbyqxmd.com/read/28723662/acetyl-lupeolic-acid-inhibits-akt-signaling-and-induces-apoptosis-in-chemoresistant-prostate-cancer-cells-in-vitro-and-in-vivo
#3
Claudia Schmidt, Cornelia Loos, Lu Jin, Michael Schmiech, Christoph Q Schmidt, Menna El Gaafary, Tatiana Syrovets, Thomas Simmet
The triterpenoid acetyl-lupeolic acid (ac-LA) isolated from the oleogum resin of Boswellia carterii reduced the viability of a panel of cancer cell lines more efficiently than lupeol. There was no detectable intracellular conversion of ac-LA to lupeol and vice versa. In contrast to docetaxel, ac-LA did not induce selection of treatment-resistant cancer cells. By various parameters including DNA fragmentation, ac-LA was shown to induce apoptosis in androgen-independent PC-3 cells, whereas in MDA-MB-231 breast cancer cells, ac-LA led to cell accumulation in the G2/M phase of the cell cycle, but not to apoptosis...
July 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28721041/high-intensity-focused-ultrasound-triggered-nanoscale-bubble-generating-liposomes-for-efficient-and-safe-tumor-ablation-under-photoacoustic-imaging-monitoring
#4
Gang Feng, Lan Hao, Chunyan Xu, Haitao Ran, Yuanyi Zheng, Pan Li, Yang Cao, Qi Wang, Jizhu Xia, Zhigang Wang
High-intensity focused ultrasound (HIFU) is widely applied to tumors in clinical practice due to its minimally invasive approach. However, several issues lower therapeutic efficiency in some cases. Many synergists such as microbubbles and perfluorocarbon nanoparticles have recently been used to improve HIFU treatment efficiency, but none were determined to be effective and safe in vivo. In this study, nanoscale bubble-generating liposomes (liposomes containing ammonium bicarbonate [Lip-ABC]) were prepared by film hydration followed by sequential extrusion...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28720813/a-new-prenylated-flavonoid-induces-g0-g1-arrest-and-apoptosis-through-p38-jnk-mapk-pathways-in-human-hepatocellular-carcinoma-cells
#5
Di Wang, Qian Sun, Jie Wu, Wei Wang, Guodong Yao, Tianyang Li, Xue Li, Lingzhi Li, Yan Zhang, Wei Cui, Shaojiang Song
Prenylated flavonoids have been demonstrated to possess diverse bioactivities including antitumor effects. One new, daphnegiravone D (1), and four known (2-5) prenylated flavonoids were isolated from Daphne giraldii. Their cytotoxic activities revealed that daphnegiravone D markedly inhibited the proliferation of cancer cells, but had no apparent cytotoxicity on human normal cells. Mechanistically, daphnegiravone D induced G0/G1 arrest and apoptosis, reduced the expression of cyclin E1, CDK2 and CDK4, and promoted the cleavage of caspase 3 and PARP in Hep3B and HepG2 cells...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28720081/identification-of-an-easy-to-use-3d-culture-model-to-investigate-invasion-and-anticancer-drug-response-in-chondrosarcomas
#6
Eva Lhuissier, Céline Bazille, Juliette Aury-Landas, Nicolas Girard, Julien Pontin, Martine Boittin, Karim Boumediene, Catherine Baugé
BACKGROUND: Cytotoxic efficacy of anticancer drugs has been widely studied with monolayer-cultured cancer cells. However, the efficacy of drugs under two-dimensional (2D) culture condition usually differs from that of three-dimensional (3D) one. In the present study, an in vitro tumor tissue model was constructed using alginate hydrogel, and in vitro cytotoxic efficacy of two anticancer drugs (cisplatin and DZNep) was investigated in chondrosarcomas, and compared to in vivo response. METHODS: Three cell lines derived from human chondrosarcomas, CH2879, JJ012 and SW1353, were embedded in alginate hydrogel...
July 18, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28720068/inhibitory-effect-of-par-4-combined-with-cisplatin-on-human-wilms-tumor-cells
#7
Jun Wang, Yunjie Li, Fangfang Ma, Huifeng Zhou, Rong Ding, Binbin Lu, Li Zou, Junxia Li, Rugang Lu
Wilms' tumor is associated with a high treatment success rate, but there is still a risk of recurrence. Cisplatin, which is one of the chemotherapeutic agents used for its treatment, is associated with a very high rate of resistance. Par-4 (prostate apoptosis response 4) is a tumor suppressor, which is capable of sensitizing tumor cells to chemotherapy. Therefore, the aim of this study was to determine whether combined treatment with Par-4 and cisplatin is effective for inhibiting growth of Wilms' tumor. Wilms' tumor and control cell samples were collected and analyzed by immunofluorescence assay and immunohistochemistry...
July 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28718372/mir-592-functions-as-a-tumor-suppressor-in-glioma-by-targeting-igfbp2
#8
Tao Peng, Lixiang Zhou, Hui Qi, Guangming Wang, Yongxin Luan, Ling Zuo
A growing body of evidence suggests that microRNA-592 is involved in tumor initiation and development in several types of human cancers. However, the biological functions and molecular mechanism of microRNA-592 in glioma remain unclear. In this study, we explored the potential role of microRNA-592 in glioma as well as the possible molecular mechanisms. Our results proved that microRNA-592 expression was significantly downregulated in glioma tissues and cell lines (p < 0.01). Functional assays revealed that overexpression of microRNA-592 dramatically reduced the cell proliferation, migration, and invasion and induced cell arrest at G1/G0 phase in vitro...
July 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28717129/3d-printed-scaffolds-of-calcium-silicate-doped-%C3%AE-tcp-synergize-with-co-cultured-endothelial-and-stromal-cells-to-promote-vascularization-and-bone-formation
#9
Yuan Deng, Chuan Jiang, Cuidi Li, Tao Li, Mingzheng Peng, Jinwu Wang, Kerong Dai
Synthetic bone scaffolds have potential application in repairing large bone defects, however, inefficient vascularization after implantation remains the major issue of graft failure. Herein, porous β-tricalcium phosphate (β-TCP) scaffolds with calcium silicate (CS) were 3D printed, and pre-seeded with co-cultured human umbilical cord vein endothelial cells (HUVECs) and human bone marrow stromal cells (hBMSCs) to construct tissue engineering scaffolds with accelerated vascularization and better bone formation...
July 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28716897/mcpip1-downregulation-in-clear-cell-renal-cell-carcinoma-promotes-vascularization-and-metastatic-progression
#10
Paulina Marona, Judyta Górka, Zofia Mazurek, Waclaw Wilk, Janusz Rys, Marcin Majka, Jolanta Jura, Katarzyna Miekus
<p>Clear cell renal cell carcinoma (ccRCC) is the most common type of kidney cancer and it forms highly vascularized tumors. The monocyte endoribonuclease MCPIP1 negatively regulates inflammation by degrading mRNA encoding proinflammatory cytokines, such as IL-6, IL-1 and IL-12. MCPIP1 is also a negative regulator of NFκB and AP1 activity and it influences a broad range of miRNA activities. Here we report that MCPIP1 protein levels are decreased during renal cancer progression. In patient-derived tumors, and xenografts established in NOD-SCID or nude mice, low MCPIP1 levels correlated strongly with increased proliferation, tumor outgrowth and vascularity...
July 17, 2017: Cancer Research
https://www.readbyqxmd.com/read/28716484/the-anti-tumor-activity-of-the-stat3-inhibitor-stx-0119-occurs-via-promotion-of-tumor-infiltrating-lymphocyte-accumulation-in-temozolomide-resistant-glioblastoma-cell-line
#11
Yasuto Akiyama, Chizu Nonomura, Tadashi Ashizawa, Akira Iizuka, Ryota Kondou, Haruo Miyata, Takashi Sugino, Koichi Mitsuya, Nakamasa Hayashi, Yoko Nakasu, Akira Asai, Mamoru Ito, Yoshio Kiyohara, Ken Yamaguchi
STAT3 is considered to be a key molecule to mediating tumor-induced immunosuppression in various manners at tumor sites, by acting through immune-regulatory cytokines derived from the tumor cells. Specific anti-STAT3 inhibitors have been developed using nude mouse models transplanted with human tumor cells. However, mouse systems cannot accurately represent the human immune response induced by STAT3 inhibitors, and more humanized therapeutic model based on human immune cells and tumors are needed. In the present study, an immune-deficient NOG mouse with the deletion of both MHC-class I and class II genes, an MHC-double knockout mouse (dKO-NOG), was developed and used to establish humanized immunotherapeutic model...
July 14, 2017: Immunology Letters
https://www.readbyqxmd.com/read/28716053/ibrutinib-a-bruton-s-tyrosine-kinase-inhibitor-exhibits-antitumoral-activity-and-induces-autophagy-in-glioblastoma
#12
Jin Wang, Xiaoyang Liu, Yongzhi Hong, Songtao Wang, Pin Chen, Aihua Gu, Xiaoyuan Guo, Peng Zhao
BACKGROUND: Glioblastoma (GBM) is the most common and aggressive primary brain tumor in adults. Ibrutinib, a Bruton's tyrosine kinase (BTK) inhibitor, is a novel anticancer drug used for treating several types of cancers. In this study, we aimed to determine the role of ibrutinib on GBM. METHODS: Cell proliferation was determined by using cell viability, colony formation, and 5-ethynyl-2'-deoxyuridine (EdU) assays. Cell cycle and cell apoptosis were analyzed by flow cytometry...
July 17, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28715876/combining-trail-and-liquiritin-exerts-synergistic-effects-against-human-gastric-cancer-cells-and-xenograft-in-nude-mice-through-potentiating-apoptosis-and-ros-generation
#13
Rui Xie, Cheng-Cheng Gao, Xiao-Zhong Yang, Shang-Nong Wu, Hong-Gang Wang, Jia-Ling Zhang, Wei Yan, Tian-Heng Ma
Gastric cancer is one of the most factors, leading to cancer-related death worldwide. However, the therapies to prevent gastric cancer are still limited and the emergence of drug resistance leads to development of new anti-cancer drugs and combinational chemotherapy regimens. Our study was aimed to explore the anti-gastric cancer effects of liquiritin (LIQ), a major constituent of Glycyrrhiza Radix, which possesses a variety of pharmacological activities. The tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) preferentially inhibited tumor cells over other normal cells, when used in alone or in combination...
July 13, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28713978/bone-marrow-mesenchymal-stem-cell%C3%A2-derived-extracellular-vesicles-improve-the-survival-of-transplanted-fat-grafts
#14
He Huang, Shaoqing Feng, Wenjie Zhang, Wei Li, Peng Xu, Xiangsheng Wang, Ai Ai
Autologous fat grafting is a promising surgical technique for soft tissue augmentation, reconstruction and rejuvenation. However, it is limited by the low survival rate of the transplanted fat, due to the slow revascularization of such grafts. Previous studies have demonstrated that bone marrow mesenchymal stem cell‑derived extracellular vesicles (BMSC‑EVs) are proangiogenic. The present study aimed to investigate whether BMSC‑EVs could improve the survival of transplanted fat grafts. Extracellular vesicles were isolated from the supernatant of cultured rat bone marrow mesenchymal stem cells, and characterized by flow cytometry and scanning electron microscopy...
July 14, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28713970/human-chorionic-gonadotropin%C3%A2-%C3%AE-regulates-epithelial-mesenchymal-transition-and-metastasis-in-human-ovarian-cancer
#15
Na Liu, Shu-Min Peng, Guang-Xi Zhan, Jing Yu, Wei-Min Wu, Hao Gao, Xiao-Feng Li, Xiao-Qing Guo
Human chorionic gonadotropin β (β-hCG) is a well-known and accurate marker for the diagnosis and monitoring of pregnancy, trophoblastic tumors and ovarian germ cell tumors. Recently, β-hCG has been found to be closely related to poor prognosis and metastasis in various other malignant tumors, while its role and mechanism in ovarian cancer is still unclear. In the present study, lentiviral‑mediated transfection and small interfering RNA (siRNA) were used to alter β-hCG expression in the ovarian cancer cell lines ES-2 and SKOV3, respectively...
July 14, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28711224/the-radioprotector-ortho-phospho-l-tyrosine-ptyr-attenuates-the-side-effects-of-fractionated-irradiation-in-retinoblastoma-mouse-models-but-also-decreases-the-local-tumour-control
#16
Alexander V Tschulakow, Klaus Dittmann, Stephan M Huber, Dominik Klumpp, Benjamin Stegen, Ulrich Schraermeyer, H Peter Rodemann, Sylvie Julien-Schraermeyer
BACKGROUND: Radiotherapy (RT) is used to treat retinoblastoma (Rb), the most frequent ocular tumour in children. Besides eradicating the tumour, RT can cause severe side effects including secondary malignancies. This study aimed to define whether the radioprotector ortho-phospho-L-tyrosine (pTyr) prevents RT-induced side effects and affects local tumour control in a xenograft and a genetic orthotopic Rb mouse model. METHODS: B6;129-Rb1tm3Tyj/J (Rb(+/-)) and Y79-Rb cell-xenografted nude mice were fractionated external beam irradiated (15 fractions of 5Gy 6MV photons during 3weeks) with or without pTyr pre-treatment (100mg/kg BW, 16h prior to each irradiation)...
July 12, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28710827/comparison-of-non-coding-rnas-in-exosomes-and-functional-efficacy-of-human-embryonic-stem-cell-versus-induced-pluripotent-stem-cell-derived-cardiomyocytes
#17
Won Hee Lee, Wenyi Chen, Ning-Yi Shao, Dan Xiao, Xulei Qin, Natalie Baker, Hye Ryeong Michelle Bae, Praveen Shukla, Haodi Wu, Kazuki Kodo, Sang-Ging Ong, Joseph C Wu
BACKGROUND: Both human embryonic stem cell-derived cardiomyocytes (ESC-CMs) and human induced pluripotent stem cell-derived cardiomyocytes (iPSC-CMs) can serve as unlimited cell sources for cardiac regenerative therapy. However, the functional equivalency between human ESC-CMs and iPSC-CMs for cardiac regenerative therapy has not been demonstrated. Here we performed a head-to-head comparison of ESC-CMs and iPSC-CMs in their ability to restore cardiac function in a rat myocardial infarction (MI) model as well as their exosomal secretome...
July 14, 2017: Stem Cells
https://www.readbyqxmd.com/read/28710602/eldecalcitol-ed-71-an-analog-of-1%C3%AE-25-oh-2d3-inhibits-the-growth-of-squamous-cell-carcinoma-scc-cells-in-vitro-and-in-vivo-by-down-regulating-expression-of-heparin-binding-protein-17-fibroblast-growth-factor-binding-protein-1-hbp17-fgfbp-1-and-fgf-2
#18
T Shintani, F Takatsu, S N Z Rosli, E Usui, A Hamada, K Sumi, Y Hayashido, S Toratani, Tetsuji Okamoto
Heparin-binding protein 17 (HBp17)/fibroblast growth factor-binding protein-1 (FGFBP-1) was first purified from medium conditioned by A431 cells for its capacity to bind to fibroblast growth factors 1 and 2 (FGF-1 and -2). Among FGF family members, FGF-2 is a potent mitogen for various cell types, including vascular endothelial cells, fibroblasts, and cancer cells such as oral squamous cell carcinoma (OSCC) cells. Besides being well known in bone metabolism, the active form of vitamin D3, i.e., 1α,25(OH)2D3 (1,25D3), was reported to have protective effects for heart disease and cancer...
July 14, 2017: In Vitro Cellular & Developmental Biology. Animal
https://www.readbyqxmd.com/read/28710496/dietary-geranylgeraniol-can-limit-the-activity-of-pitavastatin-as-a-potential-treatment-for-drug-resistant-ovarian-cancer
#19
Elizabeth de Wolf, Marwan Ibrahim Abdullah, Stefanie M Jones, Karen Menezes, Darren M Moss, Falko P Drijfhout, Sarah R Hart, Clare Hoskins, Euan A Stronach, Alan Richardson
Pre-clinical and retrospective studies of patients using statins to reduce plasma cholesterol have suggested that statins may be useful to treat cancer. However, prospective clinical trials have yet to demonstrate significant efficacy. We have previously shown that this is in part because a hydrophobic statin with a long half-life is necessary. Pitavastatin, the only statin with this profile, has not undergone clinical evaluation in oncology. The target of pitavastatin, hydroxymethylglutarate coenzyme-A reductase (HMGCR), was found to be over-expressed in all ovarian cancer cell lines examined and upregulated by mutated TP53, a gene commonly altered in ovarian cancer...
July 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28708595/angptl4-promotes-the-progression-of-cutaneous-melanoma-to-brain-metastasis
#20
Sivan Izraely, Shlomit Ben-Menachem, Orit Sagi-Assif, Tsipi Meshel, Diego M Marzese, Shuichi Ohe, Inna Zubrilov, Metsada Pasmanik-Chor, Dave S B Hoon, Isaac P Witz
In an ongoing effort to identify molecular determinants regulating melanoma brain metastasis, we previously identified Angiopoietin-like 4 (ANGPTL4) as a component of the molecular signature of such metastases.The aim of this study was to determine the functional significance of ANGPTL4 in the shaping of melanoma malignancy phenotype, especially in the establishment of brain metastasis.We confirmed that ANGPTL4 expression is significantly higher in cells metastasizing to the brain than in cells from the cutaneous (local) tumor from the same melanoma in a nude mouse xenograft model, and also in paired clinical specimens of melanoma metastases than in primary melanomas from the same patients...
July 5, 2017: Oncotarget
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